Drawing sheet-glass.



s SHEETS-sum -1.

A ...MJA l .|Illl I x n u PATENTED APR. 9, 1907.

I W COLBURN 6L JHPLAYER DRAWING SHEET GLASS.

APPLICATION FILED nu 1a. 1906.

gw; n 2M Stumm 190i h1 eases ZMS 6' /9 l' 110.849.531. n PATBNTED APR. 9

I. W. ooLUR-Ns J. PLAYER.

DRAWING SHEET GLASS.

APPLIOATION rILBD un 1s. 190e.

3 SHEETS-SHEET 2.

. whaeono l.

Maf

E1-'Nm 849.531. PATENTED APR. 9, 1907.

I. W. GOLBURN an J. PLAYER.

DRAWING SHEET GLASS.

'APPLIGATION FILED MAY 1s. 190e.

s SHEETS-sinn a.

nirnn srarns PATENT OFFO,

IRVING COLBURN, OF FRANKLIN, PENNSYLVANIA, AND JOHN PLAYER,

OF RIVER FOREST, ILLINOIS, ASSIGNORS, BY DIRECT AND MESNE AS- SIGNMENTS, TO COLBURN MACHINE GLASS OOMEANY, OF FRANKLIN, PENNSYLVANIA, A CORPORATION OF NEW JERSEY.

meantime sneer-eines.

To rtl/Z whom t may con/corn.-

Be it known that We, IRVING W.' CoLnURN and JOHN PLAYER, ol Franklin, Pennsylvania, and River Forest, Illinois, respectively, have invented a new and useful Imrovement in Drawing Sheet-Glass, whicht lmprovement is fullyset forth in the following specication.

This invention relates to the art of drawing.

ro glass, and more articularly to the "art of drawing glass in s ieet form.

It is well known in this art that when efforts are made to draw a sheet of orlass from molten glass the tendency of the sheet is torapidly draw to a thread or string, and

that there is also a tendency to form wavelike lines or strize on the surfaces of the drawn sheet, which largely detract from the commercial value of the glass.

i In previous applications of I.' W. Colburn and E. Washburn, Serial Nos. 238,592-and 248,288, filed, respectively, December 28, 1904, and March 3, 1905, there are disclosed methods and apparatus designed to overcome A 2 5 both the narrowing tendency of the sheet and also the formation of the wave-like lines or striae in the surfaces of the sheet. In said application Serial No. 238,592 there is disc osed a process for drawing glass in sheet 3o form and of uniform width which consists in L drawing a sheet of glass from a mass of molten glass and simultaneously imparting movement to the surface of the vmolten mass away from the edges of the sheet beingdrawn, 3 5 `and .thereby prevent the glass from narrowing during'the drawing operation, y

One part of the present invention constitutes a specic embodiment of the broad idea set forth in said application Serial No.

4o 238,592, the movement of `the surface. ofthe molten mass away from the edges oi the .sheet being' drawn being accomplished in the following manner: A massv of molten glass is contained in a working pot with its Working level 'approximately constant, which level is below that of the retaining-Wallet the pot except at two opposite pointes the Walls at each of which points there is an ove ow-lip slightlybelow the normal wor-ki ng 5o level of the molten glass, so that there is a constant flow of the surface portion of the molten glass .over said lips, and the sheet of Specilcaticn of Letters Patent. application and my 1c, 190s. serial No. 317,5'84.

Patented April 9, S907.

glass is drawn trom the surface oi the molten j mass in the working chamber or pot with its plane on a line inmediately-between these two oppositely-disp'osed overflow-lips. The glass fallingove'r the overflow-lips at points adjacent to the edges of the sheet imparts a movement to the surface of the molten mass y away from the edges of A the sheet as it is drawn, thus holding itv to its full Width.

In order to maintain the constant over flow, and hence the constant movement of the surface ortion of the molten glass toward these overl ovv-lips, suitable means are employed for maintaining the .working level of `the molten glass in the Working pot at a point just above the level-of the overflowips. Any suitable means may be employed for this purpose. As herein shown, a meltingtank is in open communication with the working chamber or ot, into which tank raw materials are te just fast enou `h to maintain the desired levelinthe wor 'ngpot. i

The means herein shown and described for overcoming or avoiding the formation of wave-like lines or striae in the sheet eonstitute a different means for accomplishing the tion Serial No. 248,288. inthe present instance,`for the purpose of avoiding the formation of these wave-like lines, we suspend in the working pot on opposite sides of the sheet of glass being drawn two bodies, pret'- erably of refractory material, the same being placed a-` very slight distance above the surace of the molten glass in the pot, and we then create an intense heat to the rear of these bodies for the purpose of raising the, temperature of the surface of the molten glass in the working pot to a point above that where wave-like lines will be formed. These bodies may, if desired, be stationar bodies and :fixed in theirpositions. Preferab y, however,

they are mounted so as to be capable of beof said bodies and the surface of the molten glass in the working ot. It will be under- Vstood that these bodies are so adjusted with 2O body in the form of a roller-that is, with a circular cross-section-they may 'be tr1angurelation to thel surface of the moltend` glass that a very thin iil'm of intense heat is permitted to pass under them, and thereby melt down an y wave-like lines that might have been Y formed on the surface of the molten glass, and also prevent the cooling of that portion of the surface of the molten mass that is just in the act of passing into the sheet being drawn, since such cooling (due to radiation from the exposed surface) is one fruitful cause of the appearance of the wave-like lines or strize in the surfaces of thc drawn sheet. As stated above, these bodies may be stationary; but preferably theyr are mounted so that they may be rotated on horizontal axes. This rotation may be an occasional turn by hand or otherwise; but by preference the bodies are slowly and constantly revolved. The particular cross sectional form of these bodies may vary greatly. While we prefer a lar, square, rectangular, oblong, or otherwise formed without departing from the spirit of the invention.

In order to enable the operator to control the thickness of the sheet of glass being formed and also to control and partially interrupt the film of heat which is permitted to pass under the bodies of refractory 1nater1al, we preferably interpose sultable shields, one on each side of the sheet of glass being drawn and between the heat-deiiecting bodies and said sheet. Such shields may be of any preferred br desired construction and are preferably formed so that they maybe adjusted both in a vertical and a horizontal direction to regulate theirl proximity tothe sheet of glass and also their proximity on the lower portions to the surface of the molten glass in the working pot. Preferably these shields are in the form of fiat hollow bodies and are provided with means for maintaining a continuous circulation of a suitable cooling iiuid, as water, therethrough, and a cooling medium is also preferably provided in connection with the guards or heat-de ecting bodies which perform the -function of directing the film of heat along the surface ofthe molten glass.

'The glass that is permitted to fall-over the overiiow-lips of the working chamber is preferably caught in pots-of refractory material and removed from time to time as they become ynearly iilled, the molten glass, therein being returned to the melting ,-furnace or dumped outside toform cullet to be used in .making up new batches. l f

` Any suitable means for drawing a sheet of glass from a mass 'of molten glass may be employed, and the operation may be that which results in the drawing of a single sheet at a time, or it may be a continuous operation,.

the latter being the form chosen for illustration in this appli `:at1on. Y L.

The invention consists of certain other minor details of procedure and const-rllction which will be hereinafter more fully explained, and then pointed out in the claims.

The inventive idea. involved, both in the method and apparatus, may receive a variety of expressions without in any way departing from the invention itself. .ln the accompanying drawings we have illustrated one form of apparatus which gives excellent results and which may be 'used to success# fully practice the method of the invention; but it is to be understood that said drawings are merely for thepurpose of illustrating the invention and are not to bc taken as dolining the limits-of the` invention, reference being had to the claims for that purpose.

In said drawings, Figure l is a broken vertical longitudinal section ol' so much of the apparatus as is necessary to illustrate thc invention. taken at right angles to Fig. 1, showing'the shield in position and a sheet of glass in the act of being drawn. Fig. 3 is a broken vcrtical section on the line .3 3 of Fig. 1. Fig. 4 is a broken top plan view of Fig. 2.. Fig. 5 is a broken perspective of one form of shield,

another form of shield. Fig. 7 is a s1de elevation looking from the left-hand of Fig.v 2. Fig. 8 is a cross-sectional view showing thel device. Figs. 9 to' 15, inclusive, are end elevations of various forms of such guard or heat-deiiectors oriilm-forming devices. Fig. 16 is a plan, on a reduced scale, of the working ot`.

p Referring to the drawings, in which like reference-numerals indicate corresponding parts, 1 is a melting-furnace to which heat is supplied in any suitable vmanner and into` plied from time to time. p 2 is a working pot, and 3 is an open conduit between the melting-furnace and the working pot, whereby the glass is permitted to rise in the Working ot to the same height as 1t is in the meltingrnace. The working pot is providedwith suitable means, as burnto maintain the glass 1n proper working con dition, and 6 is a downwardly-leading flue conducting 0H the products of combustion. The working chamber or pot is provided with a cover 7, which entirely closes its top, ex-

` width, which is o ened during the operation closed by a cover 9 when the ap aratus is not in operation. This working c lamber or pot is provided at each end thereof With an overiow-li 10,-Which lip is somewhat below the level ci the top of the Walls of the working pot andpreferably is extended, so as to form a delivery-spout 11 ers 4j and 5, for developing the heat necessary .8s Fig. 2 1s a broken vertical section l while Fig. 6 is a perspective View of part of stationary form of defiector or hlm-forming lOO which material for forming a batch is su`p- IIO cept for an oblong slot 8 of some considerable of drawing the s eet of glass, but which is v.

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eeaasr Immediatelyunder the spoutll, on a pier 12, is a receiving-pot 13, into which the molten glass whichoverflows through the lip is received. This pot is inserted and removed through an opening 14 in the walls of f does 'not form any essential part of the invention, such means are not herein illustrated.

Immediately over the. slot S and the cover 7 of the Working pot is a draWing-chalnbbr 16, having an open slot 17 in the lower wall,

and Within said-chamber is a revolving drum 18, While to the rear of this drum is a carriertable 19 and a sprocket-chain 20, having grip-bars 21, which operate in conjunction with the carrier-table to grip and supply the drawing force to the sheet of glass, as fully illustrated and ldescribed in my previous applications above mentioned. lnasmuch as the specific. construction of this drawing apparatus forms no part of the present invention, it will not be necessary to further illustrate or describe the same.

The coverv 7 is rovided along the sides of the slot 8 with -dbwnWalrdly-projecting lips 22, which are designed to revent the escape of .heatfrom the working pot. These lips 22 only extend down a short distance on the sides of the slot S; but there is formed on the ends of the slot downwardly-extendingv lips 23, Fig. 2, which come down immediately over the end Walls of the working pot and close to the overflow-lips 1l).

Extending transversely across the working chamber or pot and to the rear of the protecting-lips 22 22 of the slot-opening are a )air of guards or heat-deflector bodies 24. lThese bodies are mounted so as to lie with Atheir lower surfaces a slightdistanee above' the level of the molten glass in the Working pot. They may be fixed position. Preferably, however, they are so mounted that they may be adjusted either toward or from eachother in a horizontal plane and also to- Ward and from the surface of the molten glass in a vertical direction. ln addition which is provided with a protecting-bushing 26,. surroundin the shaft or at least that portion of the s aft lying within the furnace for the working pot between the ends ofthe refractory body and theexterior portion of the furnace. Said shaft is preferably square or is otherwise provided with means for keying it to the refractory material, so that. th said refractory body will rotate therewith, and means, as a packing-box 27 and inletpipe 28, are provided for directing a cooling fluid, such as water, through the hollow shaft. Preferably these shafts (one for each guard or deflector) are mounted in bearings 29', supported by horizontal trunnions 8() in a ring 31, which ring is itself mounted in frame 32 to turn around a vertical axis 33, which axis is vertically adjustable by reason of a screw-thread and lult, as will be readily understood from inspection of Figs. 2 and 3. Each end of the supporting-sl'iafts is mounted in the same kind of bearings. lt will be understood that each of the shafts is mounted in the same way and that the frames 32 32 at each end are horizontally adjustable toward and from each other, being secured to suitable piers 84, Figs. 4 and 7, by bolts 35, which may be loosened to permit the horizontal adjustment.

To the rear of each `of the guards or deilecting-bodies 24 are provided means for directing the hot blast upon the rear surface of of said bodiesjvhich means, as here shown,

consist of burners 36, projecting in through the walls vof the working chamber and direct their jet of flame directly against the rear of the guards or deilecting-bodies, flues 37 being provided for carrying ofl the products of com bustion and a thin film of lntensely-heated gases passing over the surface of the molten glass A1n the working pot immediately under the guards or deflccting-bodies, thereby acting to prevent the formation of wave-lines or striae in the sheet of glass as it is ldrawn. For the purpose .ofpreventing then destructive action of the gasesupon the guards or heat-deflectors 24 said de'llectors are preferably glazed, this being readily accomplished by lowering the guards or deflectors until they come in contact with the molten glass in the working chamber and then slowly revolve the same until a film of molten glass is formed upon the exterior of the guards or deflectors, after which they ma above the molten glass into t ie position shown in the drawings. When said guards or deflector-bodies are to be rotated, any

be raised IOO IOS

IIO

l and 47, which pass over sprocket-wheels upon the ends of the shafts 26 of the guards or deiiectors, and thereby revolve the same.

The heat-film passing under the guards or deflector-bodies 24, together with the heat radiated from said bodies, would be liable to melt down the glass passing into the sheet being drawn, and thereby cause the sheet of glass to be too thin. For the purpose of controlling this heatlfilm and preventing this effeet of the radiated heat from said bodies there is suspended on opposite sides of the sheet of glass being drawn and between said sheet and said guards or deliector-bodies shields 48. (Best shown in Fig. 5.) These shields may be in an suitable form and of any suitable material).7 As here shown, they are in the form of hollow bodies preferably composed of boiler-iron and are provided with means for circulating a cooling mediurn,1 as

water, therethrough/such means consisting of an inlet-pipe 49 and an outlet-pipe 50. These hollow shields may be constructed either ofA boiler-plates suitably riveted, as shown in Fig. 5, or they may he constructed of a single piece of bent boiler-iron, as shown inv Fig. 6. These shields are suspended on either side of the sheet of glass by means of inlet and outlet pipes 49 and ,50 and are preferably arranged to be adjusted both in a ver- 'tical and a horizontal direction, to the end tha-t they may be caused to approaclrnearer to'or farther from the sheet of glass and also to the end' that they may be raised or lowered with relation to the surface of the molten glass, thereby varying the amount of heat passing under them from the yheat-film that escapes under theguards or deectors 24. Any suitable means-for securing the ad' justments mentioned may be employed. Very sim le and effective means consist in merely p acing bricks 5 1, of refractory in aterial under the projecting ends of the inlet and outlet pipes 49 and 50, or any other suitable means may be employed, if desired. It will be observed that these shields 48 lcopcrate wth the guards or deflect-ors 24, so as to effectually control the heat-film passing under said guards or deflectors and at the same time protect the portion of the sheet which .has been drawn from the deteriorating effect of the heat radiated by the guardsor deflectors, and that therefore the two hodies-that is, the guards or deflectors and the shields--cooperate in a peculiar manner to, the successful control of the heat-fllm,l whose function is to annihilate or prevent the formation of the wave-lines or striae in the sheet.

As shown in Fig. 8, the guards or dellectorbodies 24 are incapable of revolution and are merely hung on transverse shafts which enable them to be adjusted`either vertically, or horizontally, orboth, as may be desired.

The glass which escapes from the working' the' overflow-lips 10. r `molten mass flowing slowly toward the over- A ychamber or pot'by vway of the overflow-lips .1U is kept in a molten condition, so that itwill llow readily by means of heat supplied thereto I" rom a burner 52, so positioned as to direct a jet of llame and gases of combustion directly down upon the glass as it Hows frdin said lip and its attached spout 11. Were not this heat thus supplied to the overflow glass the glass would be liable to cool and clog the discharge-opening, and thereby prevent the lateral movement of the surface portion of the-molten glass which is necessary to maintain the sheet of glass of uniform width.

In practicing the method of our invention by the use of the apparatus described the cover 9 is removed from the slot in the top of the working chamber, and the shields 48are hung in place'and the inlet and outlet pipes suitably connected to a source of water-supply and to the sewer. T he guards or-deflectors 24 are then adjusted to the desired height abovel the surface of the molten mass, so as to permit a very thin film of the heated gases of combustion to pass thereunder, and,l

molten glass in the furnace 1 maintained at the proper height by supplymg raw matef rials or "batch in suilicient quantities to compensate for the glass that goes into the ICO drawn sheet and also that which overflows at The action of the flow-lips serves to elfectually counteract the narrowing tendency of the-sheet during the drawing operation', while the film of heated gases of combustion which passes under the guards or defiectors 24 serves to annihilate or prevent the formati-on of the wave-like lines IIO or striae. The effective action of these iilms of heated gases is controlled by'means of the shields 48. portion ofthe said film of heat# ved gases rises to the rear of the shields, while anotherportion advances in a'horizontal direction and passes under the shields. This portion must not be large enough to roduce such an effect as to melt down the g ass advancing into the sheet being drawn, and the amount that is thus permitted to lpass under the shields is regulated by means ofthe veri tical adjustment of the shields. During this operation the guards or defiectors 24 may be continuously rotated by throwing the conepulley '39 into operation, or in case this is not applied thereto they may be occasionally turned by hand, or, von the other'hand, they may remain stationary during the operation,-

l; method racticed as hereinbefore described,

t there wi l be produced a beautiful sheet of 'Glass of uniform width and thickness entirely.

lree fromwave-like lines or striae.. It will be understood,of course, that the thickness of 1.o the sheet of glass may be varied by the de'v ,gree of temperature of the molten mass of glass, by the manipulation of the heat film whiehpasses under the guardsv or deieetors, and by the rapidity with which the sheet is r drawn.

What is claimed is- 1. The method of drawing sheet-glass which consists in preparing a mass of molten glass, causing the surface portion of said zo mass to overflow its container at two opposite points, and drawing a sheet of glass from said molten mass between said points.

2. The method of drawing sheetglass which consists in preparing a mass of molten glass, causing' the surface portion of said mass to overflow its container at two opposite points, drawing a sheet of glass from said molten mass between said points, and maintaining the level of the molten mass approxis'mately constant during the drawing operation.

The method of drawing sheet-glass which consists 1n preparing a mass of molten glass, causing the surface portion of the 3 5 molten mass to flow by gravity in opposite directions, yand drawin a sheet of glass from said molten mass with its plane in the line of flow of the glass.

4f.l The method of drawing sheet-glass 40 which consists in preparing a mass of molten glass, causing the surface portion of the molten mass to iow by gravity in opposite directions, drawing a sheet of glass from said molten mass with its plane in the line of flow of the glass, and maintaining the level of the molten mass approximately constant during the drawing operation.

5.. The method of drawing sheet-'glass which consists in preparing a mass of molten k glass, causinf1r the surface portion of said mass to overflow its container at two opposite points, drawing a sheet of glass from said mass with its plane in a line between said points, and directing a film of heated gases over the surface of the molten mass on opposite sides of the sheet during the drawing operation, whereby a sheet is obtained of uniform width and without wave-lines in its surface;

G. The method of drawing sheet-glass which consists in preparing a mass of molten glass, drawing a sheet ofJ glass of uniform widthl therefrom, and directin a film of heated gases over the surface of the Vmolten mass onopposite sides of the sheet during the drawing operation', the temperature ol' said gases being above that at which wave lines or strive are formed on the sui-lace ol' the molten mass.

7. In apparatus for drawing slieet.-glass, the combination of a reccptactle containing molten glass and having oppositely-disposed outlets for the surface portion of said molten glass, means maintaining the level of' the molten glass high enough to [low [rom said outlets, and means drawing a sheet of glass from said molten mass with its plane in a line between said outlets.

8. In a paratus for drawing slleet-gfglass,`

the combination of a receptacle containing molten lass and having oppositely-disposed outlets or the surface portion ol" said glass, means maintaining the level of the molten glass high enough to ilow from said outlets, and means drawing a sheet-of glass from the molten glass in said receptacle with the plane of said sheet in a lino between said outlets.

9. In apparatus for drawing sheet-glziss, the combination of a receptacle containing a mass of molten glass, means for drawing a sheet of glass of uniform width therefrom, means directing highly-heated gases into said receptacle on each side of said sheet and above the molten mass, and rotatable guards or deliectors mounted in said receptacle one on each side of said sheet with their lower lines slightly above the surface of said molten mass, whereby a thin Iihn of said heated gases is permitted to pass along the surface of the molten mass and under said guards or dellectors.

10. In apparatus for drawing sheet-glass, the combination of a receptacle containing a mass of molten glass, means for drawing a sheet of glassA of uniform width therefrom, means directing highly-heated gases into said receptacle on each side of said sheet and above the molteumass, and continuouslvrotating guards or delleetors mounted in said receptacle one on each side of said sheetwith their lower lines slightly above the surface of said molten mass, whereby a thin film of said `heated gases is permitted to pass along the surface of the molten mass and under said guards or deflectors.

11. In apparatus for drawing sheet-glass,

the combination ofa receptacle containinga mass ofl molten glass, means drawing a sheet of glass of uniform width therefrom, means directing highly-heated gases into said receptacle on each side of said sheet and above said molten mass, a guard or dellector on each side of said sheet and positioned to permit but a thin film of said gases to pass between thesame and the surface of said molten mass, and two shields one between each guard and said sheet of glass.

12. In apparatus vfor drawing sheet-glass, the combination of a receptacle containing a mass of molten glass, means drawing a sheet lOO r. of glass of uniform width therefrom, means directing highlylheated gases into said receptacle on each 'side of said sheet and above said molten mass, a' guardor deleetor on each side of said sheet and positioned to per. mit but a thin lilmI of said gases to pass between the same and the surface of said molten mass, and two shields one between each guard and said sheet of glass, each of said shields being mounted with its lower edge slightlyr abo-vc the surface of said molten mass.

13. In apparatus for drawingsheet-glass, the combination of a receptacle containing a mass of molten glass, means drawing a sheet of glass of uniform width therefrom, means directing highly-heated gases Ainto said receptacle on each side of said sheet and above said molten mass, a guard or deilector on cach side of said sheet and positioned to permit but a thin film of said gases to pass betweenthe same and the surface of said molten mass, and two horizontally-adjustable shields one between each guard an'd sai-d sheet 0f glass. y 14. ln i pparatus for drawing sheet-glass, the combination of a receptacle containing a -mass of molten glass, means drawing a sheet of glass of uniform width therefrom, means directing highly-heated gases into saldreceptacle on each side oi said sheet and above said molten mass, a guard or deilector on each side of said sheet vand positioned to permit'but athin film of said gases to pass between thc same and the surface of said molten mass, and two vertically a'djustable shields one between each guard and said sheet of glass.

15. In apparatus for drawing sheet-glass, the combination of a receptacle containing a mass ofinolten'glass, means drawing a sheet of glass of uniform width therefrom, means directing highly-heated gases into said re- Ceptaole above 'said molten mass, two guards 0r deflectors mounted in said receptacle one on each side of said sheet and above the surface of said moltenmass, and means for horizontally ad justing said guards or defleetors.

16. In apparatus for drawing sheet-glass, the combination of a receptacle containing a mass of molten glass, means drawing a sleet of glass of uniform width therefrom, means directingl highly-heated gases into said reoeptacle above said molten mass, twoguards or deectors mounted in said receptacle one on each side of said sheet and above the surface of said molten mass, and means for vertically adjusting said guards or deflectors.

17. In apparatus for drawing sheet-glass, the combination of a receptacle containing a mass of molten glass, means drawing a sheet of glass ofuniform width therefrom, means y.

il directing highly-heated gases into said recep- I tacle above said mass, two guards or deflectors one on either side of said sheet, two l shields mounted in said receptacle onerbetween each guard or deeetor and. the sheet of glass, means wherebyr said guards and said i shields' may be horizontally and vertically l adjusted, and means l l directing a cooling medium through said shields.

19. In apparatus for drawing sheet-glass,'

the combination of a receptacle for molten i glass with two oppositely-disposed discharge receptacle high enough to low`-fro1n said discharge places, whereby the surface portionof the molten glass is caused to flow in opposite directions, means drawing a sheet of glass from the molten Y glass in said receptacle with its plane in the line of flow of the glass toward said discharge places, and l means supplying heat to the glass owing from said discharge places, whereby the clogging of the discharged glass is avoided.

20. apparatus for drawing sheet-glass, the combination of a receptacle containing a mass of molten glass and having oppositelydisposed overflow-lips in its walls at a level below the top of said walls, spouts extending outward from said lips, means directing .highly-heated gases against said spouts, means maintaining the molten glass in said receptacle above the level of said lips, and means for drawing a sheet of glass from said molten mass,y the plane o said sheet lying in a line extending between said lips.

In testimonywhereof we have signed this molten glass4 in said ing witnesses.

burn:

ROBERT N. SPEER, F. B. BLACK.

J ohn Player:

specification in the presence of two subscribplaces formed in its walls, means maintaining IOO IIO

Witnesses to signature of Irving W.l Col t 

